The Towers of Avalon — Cassandra Morphy

From a young age, Cary Simms knew that she wasn't like the other boys her age. She was only starting to figure out just how different she really was. And with summer vacation starting up again, Cary is left with a feeling that she wasn't quite ready to head home. Not quite ready to face her grandparents with the secrets that she was needing to keep from them. So, when her best friend David's little sister showed up in the magical realm, Cary jumped at the excuse to spend a little more time there. However, even the great city of Avalon, with all the secrets hidden within it, wasn't enough to keep Cary from facing her own demons and the secrets of her past.